﻿using System;

class PrintFirst10MembersOfTheSequence
{
    static void Main()
    {
        for (int i = 2; i <= 11; i++)
        {
            if (i % 2 == 0)
                Console.WriteLine("{0,3}", i);
            else
                Console.WriteLine("{0,3}", -i);
        }
    }
}
